13535680777368 has 32 divisors (see below), whose sum is σ = 33855036981360. Its totient is φ = 4509782254080.

The previous prime is 13535680777277. The next prime is 13535680777387. The reversal of 13535680777368 is 86377708653531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131906293 + ... + 132008868.

Almost surely, 2^{13535680777368} is an apocalyptic number.

It is an amenable number.

13535680777368 is an abundant number, since it is smaller than the sum of its proper divisors (20319356203992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13535680777368 is a wasteful number, since it uses less digits than its factorization.

13535680777368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263917307 (or 263917303 counting only the distinct ones).

The product of its (nonzero) digits is 533433600, while the sum is 69.

The spelling of 13535680777368 in words is "thirteen trillion, five hundred thirty-five billion, six hundred eighty million, seven hundred seventy-seven thousand, three hundred sixty-eight".